<template>
  <el-aside :width="width">
    <el-menu
       background-color="#545c64"
       text-color="#fff"
       :collapse="isCollapse"
       :collapse-transition="false"
       :default-active="activeMenu"
      >

      <h3 v-show="!isCollapse">青蛙后台管理系统</h3>
      <h3 v-show="isCollapse">后台</h3>
      <el-menu-item 
        v-for="item in noChildren"
        :key="item.path"
        :index="item.path"
        @click="handleMenu(item)"
      >
          <!-- icon组件使用方式 -->
          <component class="icons" :is="item.icon"></component>
          <span>{{item.label}}</span>
      </el-menu-item>

        <el-sub-menu 
            v-for="item in hasChildren"
            :key="item.path"
            :index="item.path" 
        >
          <template #title>
            <!-- icon组件使用方式 -->
            <component class="icons" :is="item.icon"></component>
            <span>{{item.label}}</span>
          </template>
          <el-menu-item-group >
            <el-menu-item 
                v-for="(subItem) in item.children"
                :key="subItem.path"
                :index="subItem.path" 
                @click="handleMenu(subItem)"
            >
            <!-- icon组件使用方式 -->
            <component class="icons" :is="subItem.icon"></component>
            <span>{{subItem.label}}</span>
            </el-menu-item>
          </el-menu-item-group>
        </el-sub-menu>
       
    </el-menu>
  </el-aside>
</template>

<script setup>
import{ref,computed} from 'vue'
import {useAllDataStore} from '@/stores'
import{useRouter,useRoute} from 'vue-router'
const list =ref([
        {
          path: '/home',
          name: 'home',
          label: '首页',
          icon: 'house',
          url: 'Home'
        },
        {
            path: '/mall',
            name: 'mall',
            label: '商品管理',
            icon: 'video-play',
            url: 'Mall'
        },
        {
            path: '/user',
            name: 'user',
            label: '用户管理',
            icon: 'user',
            url: 'User'
        },
        {
            path: 'other',
            label: '其他',
            icon: 'location',
            children: [
                {
                    path: '/page1',
                    name: 'page1',
                    label: '页面1',
                    icon: 'setting',
                    url: 'Page1'
                },
                {
                    path: '/page2',
                    name: 'page2',
                    label: '页面2',
                    icon: 'setting',
                    url: 'Page2'
                }
            ]
        }
])
// const list = computed(()=>store.state.menuList)
const noChildren=computed(()=>list.value.filter(item=>!item.children))

const hasChildren=computed(()=>list.value.filter(item=>item.children))


// 监听侧边栏折叠状态
const store =useAllDataStore()
const isCollapse = computed(()=>store.state.isCollapse)
const width = computed(()=>store.state.isCollapse ? '64px' : '180px')




const router = useRouter()
const route = useRoute()
const activeMenu = computed(()=>route.path)
// 点击菜单项
const handleMenu = (item) => {
    // 跳转页面
    router.push(item.path)
    store.selectMenu(item)
}
</script>




<style lang="less" scoped>
.icons{
    width: 18px;
    height: 18px;
    margin-right: 5px;
}
.el-menu{
    border-right: none;
    h3{
        line-height: 48px;
        color: #fff;
        text-align: center;
    }
}
.el-aside{
    height: 100%;
    background-color: #545c64;
}
</style>

